Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung hat dam snippets" » "dung chat dam snippets", "dung nhat dam snippets", "dung phat dam snippets", "dung hat dan snippets", "dung hat dao snippets", "dung hat dum snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung hat dam snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung hat dam snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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